CN113981964A - Multi-shaft mixing pile construction equipment with mixing frame - Google Patents

Multi-shaft mixing pile construction equipment with mixing frame Download PDF

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Publication number
CN113981964A
CN113981964A CN202111530688.0A CN202111530688A CN113981964A CN 113981964 A CN113981964 A CN 113981964A CN 202111530688 A CN202111530688 A CN 202111530688A CN 113981964 A CN113981964 A CN 113981964A
Authority
CN
China
Prior art keywords
mixing
frame
drill rod
shaft
blades
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111530688.0A
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Chinese (zh)
Inventor
宋伟民
盛晓幸
宋雪清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Qiangjin Foundation Engineering Co Ltd
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Shanghai Qiangjin Foundation Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Qiangjin Foundation Engineering Co Ltd filed Critical Shanghai Qiangjin Foundation Engineering Co Ltd
Priority to CN202111530688.0A priority Critical patent/CN113981964A/en
Publication of CN113981964A publication Critical patent/CN113981964A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

The invention provides multi-shaft mixing pile construction equipment with a mixing frame, which comprises a pile frame, wherein a drill rod is arranged on the pile frame, the lower part of the drill rod is sleeved with the hollow mixing frame, and mixing blades are arranged in the mixing frame. The construction equipment provided by the invention has the advantages that the fixed blades and the stirring blades interact in the range of the stirring frame, the cement slurry is fully stirred, and the pile forming effect is good.

Description

Multi-shaft mixing pile construction equipment with mixing frame
Technical Field
The invention relates to the technical field of civil engineering, in particular to a device for foundation construction.
Background
Mixing pile construction machinery, in the work progress, usually adopt the mixing pile machine to carry out the construction, be provided with the drilling rod on the mixing pile machine, be provided with stirring vane on the drilling rod, stirring vane rotates the cutting soil layer and mixes cement thick liquid and original state soil stirring and forms flow state cement soil.
The present inventors have studied a mixing pile construction equipment having a mixing frame, and among the conventional equipments, a mixing frame is provided only in a single-shaft mixing pile machine, and a multi-shaft mixing pile machine such as a two-shaft mixing pile machine and a three-shaft mixing pile machine has a problem of insufficient mixing.
Therefore, the design of the multi-shaft mixing pile construction equipment with the mixing frame is very urgent.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the problems in the prior art and provides multi-shaft stirring pile construction equipment with a stirring frame.
In order to solve the problems, the technical scheme of the invention is as follows:
multi-shaft mixing pile construction equipment with a mixing frame comprises a pile frame, wherein a multi-shaft drill rod is arranged on the pile frame, and the multi-shaft mixing pile construction equipment is characterized in that the mixing frame is sleeved on the multi-shaft drill rod, and mixing blades are arranged in the mixing frame.
The stirring frame is connected to a drill rod holder, and the multi-shaft drill rod is positioned in the drill rod holder.
The drill rod is provided with drill rod blades, and the stirring blades and the drill rod blades are arranged in a staggered mode.
The stirring frame is fixed and does not rotate, and when the drill rod is lifted, the stirring frame is lifted along with the drill rod.
The stirring frame is of a frame structure, the frame structure is connected with the drill rod through a shaft sleeve, the frame structure comprises a plurality of stirring frames, each stirring frame is in a shape like a Chinese character 'ji', and the stirring blades are connected with the inner sides of the stirring frames.
The upper end and the lower end of the stirring frame on the drill rod are provided with shaft sleeves, the shaft sleeves of a plurality of drill rods are connected through the retainer, and each stirring frame is connected with the shaft sleeves respectively.
The multi-shaft drill rod is arranged in a straight line shape, and the stirring frame is sleeved outside the straight line-shaped structure in the plane range.
The multi-shaft drill rod is arranged in a surrounding mode, and the stirring frame is sleeved outside the surrounding type structure in the plane range.
The three-shaft drill rod of the multi-shaft drill rod is arranged in a triangular mode, and the stirring frame in the plane range is sleeved on the outer side of the triangular structure.
The four-shaft drill rod of the multi-shaft drill rod is arranged in a square shape, and the stirring frame is sleeved on the outer side of the square structure in the plane range.
At least one layer of bisection drill rod blades are arranged on the multi-shaft drill rod, and a layer of bisection stirring blades is also arranged at the corresponding position on the stirring frame; the bisection drill rod blades on the drill rod and the bisection stirring blades on the stirring frame form a bisection structure on the corresponding stirring plane; the pair of drill rod blades are arranged at the same height position on a plurality of drill rods.
The length of the pair of bisection drill rod blades is greater than that of the bisection stirring blades.
The length of the pair of bisection drill rod blades is smaller than that of the bisection stirring blades.
The length of the pair of cutting drill rod blades is equal to that of the pair of cutting stirring blades.
The drill rod is provided with two layers of opposite-cutting drill rod blades, the two layers of opposite-cutting drill rod blades are respectively positioned at the upper end and the lower end of the drill rod, and the corresponding positions on the stirring frame are also provided with two layers of opposite-cutting stirring blades.
The drill rod is provided with three layers of bisection drill rod blades, the three layers of bisection drill rod blades are respectively positioned at the upper end, the middle part and the lower end of the drill rod, and three layers of bisection stirring blades are also arranged at corresponding positions on the stirring frame.
The stirring blade is a strip-shaped plate-shaped structure.
The drill rod blades are of strip-shaped plate-shaped structures, and the planes of the drill rod blades are parallel to the vertical plane.
The drill rod blades are obliquely arranged, and a plane where the drill rod blades are located and a vertical plane have a certain included angle.
The drill rod blades which are arranged in an inclined mode are distributed at intervals.
Has the advantages that: according to the multi-shaft stirring pile construction equipment, the stirring blades in the stirring frame interact with the blades on the periphery of the multi-shaft drill rod, cement slurry is fully stirred in the multi-shaft pile forming process, and the pile forming effect is good.
The stirring frame is provided with the stirring blades, the drill rod blades and the stirring blades perform relative cutting motion, and when the drill rod blades sweep over the stirring blades, clay adhered to the drill rod blades is cleaned, so that the pile-forming stirring effect is improved.
Blades of the bisection structure are arranged, the bisection stirring blades and drill rod blades move relatively to generate a bisection cutting effect, and undisturbed soil is crushed into fine particles and fully mixed with a curing agent; the intensity and the water stopping effect of the stirring pile are greatly enhanced.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
fig. 1 is a schematic structural diagram of a multi-shaft mixing pile construction device with a mixing frame according to the present invention.
Fig. 2 is a schematic perspective view of a tri-axial drill rod with a stirring frame according to the present invention.
Fig. 3 is a schematic structural view of a pair of tangential drill rod blades and a pair of tangential stirring blades according to the present invention.
FIG. 4 is a schematic view of a stirring frame sleeved outside a triaxial drill rod.
FIG. 5 is a schematic view of a four-shaft drill rod externally sleeved with a stirring frame.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
The equipment in the embodiment is single-shaft drilling machine equipment, and is used for cutting and stirring soil at a pile position, mixing the soil with a curing agent to form a cement stirring body, and inserting the cement stirring body into a prefabricated pile body to form a composite pile foundation.
Embodiment 1, referring to fig. 1, the present embodiment is a triaxial mixing pile apparatus, including a pile frame 1, on which a drill rod 2 is disposed, the drill rod 2 being used for forming a cement mixing pile; the drill rod 2 is provided with a power head 3, and the power head 3 is internally provided with a motor. The front end of the drill rod is provided with a stirring frame 6.
Referring to fig. 2, the stirring frame 6 is a vertical frame structure, the frame structure is connected with the drill rods through shaft sleeves 63, the frame structure comprises six stirring frames 61, namely, two stirring frames are arranged on each drill rod, each stirring frame 63 is in a shape like a letter ']', the shaft sleeves 63 of a plurality of drill rods are connected through a retainer, and each stirring frame is respectively connected with the shaft sleeves 63.
Or the stirring frame 6 is in a hollow cage shape and is sleeved on the lower part of the drill rod, the drill rod blade is arranged on the drill rod, and the stirring blade 61 is correspondingly arranged on the inner side of the stirring frame 6. The stirring blade 61 of the stirring frame and the drill rod blade 21 of the drill rod are staggered without interference. During operation, stirring frame and stirring vane do not rotate, and the drilling rod rotates and drives the drilling rod blade and rotate, and under stirring vane and drilling rod blade's effect, the original state soil and the grout intensive mixing of stirring frame within range.
The stirring blades 61 and the drill rod blades 21 are arranged in a staggered mode in a crossing mode. The stirring blade 61 and the drill rod blade 21 have mutual cutting action, the cement grout is fully stirred, and the pile forming effect is good.
In the embodiment, the upper end and the lower end of the stirring frame 6 are arranged on the drill rod through the shaft sleeve 63, the stirring frame 6 is lifted along with the lifting of the drill rod, the stirring frame 6 is inserted into the soil, and the vertical plate and the transverse plate generate resistance, so that the stirring frame 6 does not rotate, only the drill rod rotates, and the soil body mixing effect in the stirring frame range is achieved.
Referring to fig. 3, besides the conventional drill rod blade 21, a pair of bisection drill rod blades 22 are arranged on the drill rod at the second layer of the drill rod blades, and a pair of bisection stirring blades 64 are also arranged on the stirring frame at the corresponding positions; the size of the bisection drill rod blade and the size of the bisection stirring blade are arranged in a long-short mode, and the bisection drill rod blade and the bisection stirring blade form a bisection structure on the corresponding stirring plane.
The pair of split drill pipe blades 22 and the pair of split stirring blades 64 may be provided in a plurality of sets, and in the present embodiment, a set is provided at each of the penultimate and third stages of the drill pipe blades. How many groups are specifically set up can be adjusted according to the actual soil layer condition.
The length matching of the bisection drill rod blade 22 and the bisection stirring blade 64 is also various, and the bisection drill rod blade can be larger than, smaller than or equal to the length of the bisection stirring blade. The concrete length setting scheme can be adjusted according to the actual soil layer condition.
The drill rod blades can be arranged in an inclined mode, namely a plane where the drill rod blades are located and a vertical plane have a certain included angle. Such as 45 degrees, of course, the inclination angle can be adjusted according to actual conditions. The drill rod blade can also be not inclined, namely the plane of the drill rod blade is parallel to the vertical plane.
Referring to fig. 4, the three-shaft drill rods are arranged in a straight line, and the stirring frame is sleeved outside the straight line structure. If the multi-shaft drill rods above the three shafts are also arranged in a straight line shape, the stirring frame is also sleeved outside the straight line-shaped structure.
Referring to fig. 5, the four-shaft drill rods are arranged in a square shape, and the stirring frame is sleeved outside the square structure. If the multi-shaft drill rod with more than three shafts is arranged in a polygonal surrounding mode, the stirring frame is sleeved on the outer side of the polygonal structure in the plane range.
When the device works, the stirring blade is inserted into soil body and is fixed without rotation after receiving resistance, the drill rod blade and the stirring blade move relatively, the soil body is crushed into small particles, and the small particles are fully stirred in curing agent slurry, so that the pile forming effect is good. And the stirring effect of the beveling extrusion of the beveling drill rod blades and the beveling stirring blades is added, so that the pile of the stirring pile is more uniform, and the pile body strength is better.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited by the foregoing examples, which are provided to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is also intended to be covered by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (20)

1. Multi-shaft mixing pile construction equipment with a mixing frame comprises a pile frame, wherein a multi-shaft drill rod is arranged on the pile frame, and the multi-shaft mixing pile construction equipment is characterized in that the mixing frame is sleeved on the multi-shaft drill rod, and mixing blades are arranged in the mixing frame.
2. The multi-shaft mixing pile construction equipment with a mixing frame as claimed in claim 1, wherein the mixing frame is connected to a drill rod holder, and the multi-shaft drill rod is positioned in the drill rod holder.
3. The multi-shaft mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein the drill rod blades are arranged on the drill rod, and the mixing blades and the drill rod blades are arranged in a staggered manner.
4. The multi-axial mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein the mixing frame is fixed and does not rotate, and the mixing frame is lifted along with the drill rod when the drill rod is lifted.
5. The multi-axial mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein the mixing frame is a frame structure connected with the drill pipe through a shaft sleeve, the frame structure comprises a plurality of mixing frames, each mixing frame is in a "]" shape, and the mixing blades are connected with the inner sides of the mixing frames.
6. The multi-shaft mixing pile construction equipment with the mixing frame as claimed in claim 2, wherein shaft sleeves are arranged at the upper end and the lower end of the mixing frame on the drill rod, the shaft sleeves of a plurality of drill rods are connected through the retainer, and each mixing frame is connected with the shaft sleeve respectively.
7. The multi-shaft mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein the multi-shaft drill pipe is arranged in a straight line, and the mixing frame is sleeved outside the straight line structure within a plane range.
8. The multi-shaft mixing pile construction equipment with a mixing frame as claimed in claim 1, wherein the multi-shaft drill pipe is arranged in a surrounding type, and the mixing frame is sleeved outside the surrounding type structure in a plane range.
9. The multi-shaft mixing pile construction equipment with a mixing frame as claimed in claim 1, wherein the multi-shaft drill pipe and the tri-shaft drill pipe are arranged in a triangle, and the mixing frame is sleeved outside the triangle in a plane range.
10. The multi-shaft mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein the multi-shaft mixing pile construction equipment with the mixing frame as claimed in claim 1 is characterized in that the four-shaft drill pipe of the multi-shaft drill pipe is arranged in a square shape, and the mixing frame is sleeved outside the square structure in a plane range.
11. The multi-shaft mixing pile construction equipment with the mixing frame as claimed in claim 1, wherein at least one layer of bisection mixing blade is arranged on the multi-shaft drill rod, and a layer of bisection mixing blade is also arranged at a corresponding position on the mixing frame; the bisection drill rod blades on the drill rod and the bisection stirring blades on the stirring frame form a bisection structure on the corresponding stirring plane; the pair of drill rod blades are arranged at the same height position on a plurality of drill rods.
12. The multi-axial mixing pile construction equipment with a mixing frame as set forth in claim 11, wherein the length of the pair of bisected drill rod blades is greater than the length of the pair of bisected mixing blades.
13. The multi-axial mixing pile construction equipment with a mixing frame as set forth in claim 11, wherein the length of the pair of counter drill rod blades is smaller than the length of the pair of counter mixing blades.
14. The multi-axial mixing pile construction equipment with a mixing frame as set forth in claim 11, wherein the length of the pair of counter drill rod blades is equal to the length of the pair of counter mixing blades.
15. The multi-shaft mixing pile construction equipment with the mixing frame as claimed in claim 11, wherein the drill rod is provided with two pairs of bisection drill rod blades, the two pairs of bisection drill rod blades are respectively positioned at the upper end and the lower end of the drill rod, and the mixing frame is also provided with two pairs of bisection mixing blades at corresponding positions.
16. The multi-shaft mixing pile construction equipment with the mixing frame as claimed in claim 11, wherein three layers of bisection drill rod blades are arranged on the drill rod, the three layers of bisection drill rod blades are respectively positioned at the upper end, the middle part and the lower end of the drill rod, and three layers of bisection mixing blades are also arranged at corresponding positions on the mixing frame.
17. The multi-axial mixing pile construction equipment with a mixing frame as claimed in claim 1, wherein the mixing blade has a strip-shaped plate structure.
18. The multi-shaft mixing pile construction equipment with the mixing frame as claimed in claim 3, wherein the drill rod blade is of an elongated plate-shaped structure, and the plane of the drill rod blade is parallel to a vertical plane.
19. The multi-shaft mixing pile construction equipment with the mixing frame as claimed in claim 3, wherein the drill rod blades are arranged in an inclined manner, and a plane where the drill rod blades are located has a certain included angle with a vertical plane.
20. The multi-axial mixing pile construction equipment with a mixing frame as claimed in claim 19, wherein the drill rod blades are arranged in an inclined manner at intervals.
CN202111530688.0A 2021-12-15 2021-12-15 Multi-shaft mixing pile construction equipment with mixing frame Pending CN113981964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111530688.0A CN113981964A (en) 2021-12-15 2021-12-15 Multi-shaft mixing pile construction equipment with mixing frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111530688.0A CN113981964A (en) 2021-12-15 2021-12-15 Multi-shaft mixing pile construction equipment with mixing frame

Publications (1)

Publication Number Publication Date
CN113981964A true CN113981964A (en) 2022-01-28

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CN202111530688.0A Pending CN113981964A (en) 2021-12-15 2021-12-15 Multi-shaft mixing pile construction equipment with mixing frame

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CN (1) CN113981964A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120051142A (en) * 2010-11-12 2012-05-22 주식회사 대창중기계 Drilling rod attaching screw wing and mixing blade and multiaxial earth auger machine using it
JP3178869U (en) * 2012-07-24 2012-10-04 株式会社丸徳基業 Multi-axis auger
CN204000852U (en) * 2014-08-26 2014-12-10 上海强劲地基工程股份有限公司 Many row's multi-shaft cement agitation pile rigs
CN208586603U (en) * 2018-05-10 2019-03-08 东华理工大学 A kind of blade drilling rod of mixing pile machine
CN211314124U (en) * 2019-11-30 2020-08-21 浙江易通基础工程有限公司 Drill rod of multi-shaft mixing pile machine
CN113404443A (en) * 2021-07-09 2021-09-17 上海强劲地基工程股份有限公司 Stirring stake construction equipment with stirring frame
CN113718763A (en) * 2021-10-18 2021-11-30 上海强劲地基工程股份有限公司 Mixing pile construction equipment with novel mixing blades
CN217053331U (en) * 2021-12-15 2022-07-26 上海强劲地基工程股份有限公司 Multi-shaft mixing pile construction equipment with mixing frame

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120051142A (en) * 2010-11-12 2012-05-22 주식회사 대창중기계 Drilling rod attaching screw wing and mixing blade and multiaxial earth auger machine using it
JP3178869U (en) * 2012-07-24 2012-10-04 株式会社丸徳基業 Multi-axis auger
CN204000852U (en) * 2014-08-26 2014-12-10 上海强劲地基工程股份有限公司 Many row's multi-shaft cement agitation pile rigs
CN208586603U (en) * 2018-05-10 2019-03-08 东华理工大学 A kind of blade drilling rod of mixing pile machine
CN211314124U (en) * 2019-11-30 2020-08-21 浙江易通基础工程有限公司 Drill rod of multi-shaft mixing pile machine
CN113404443A (en) * 2021-07-09 2021-09-17 上海强劲地基工程股份有限公司 Stirring stake construction equipment with stirring frame
CN113718763A (en) * 2021-10-18 2021-11-30 上海强劲地基工程股份有限公司 Mixing pile construction equipment with novel mixing blades
CN217053331U (en) * 2021-12-15 2022-07-26 上海强劲地基工程股份有限公司 Multi-shaft mixing pile construction equipment with mixing frame

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